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(3) 5963 Twin Triodes 12AU7 Industrial Substitute by Sylvania CBS & GE used OK, US $350 – Picture 0
(3) 5963 Twin Triodes 12AU7 Industrial Substitute by Sylvania CBS & GE used OK, US $350 – Picture 0

(3) 5963 Twin Triodes 12au7 Industrial Substitute By Sylvania Cbs & Ge Used Ok

US $350

  • Lake Winola, Pennsylvania, United States
  • Jan 29th
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Up for bids is a lot of (3) 5963 Twin Triode Tubes.   They are one each by Sylvania, CBS and General Electric.  The tubes are used-each one tests good on my EICO dynamic tester and they show no shorts or leakage.   The tubes are clean and in good condition.  These tubes have dark grey ribbed plates and top getters.   The tube lettering is in good condition and it is all readable.  The Sylvania is a desirable US Army type.   The CBS resembles the RCA tubes of this type and it has black plates and the RCA style square getter.    The other two have dark grey plates and top "O" getters.  This type is an industrial version of the 12AU7, designed for use with long periods of operation under cut-off conditions.  Bid on these hard-to-find 12AU7 subs for your upcoming work.  bid on them strictly "as is" due to age.   NO RESERVE!!  E-Mail any questions and please view my other listings.  Thanks for looking. 
Seller Notes “Clean, used Tubes, test OK, good lettering, see photos.....”

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